Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 1909 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

Trail running at Park Farm Llangattock on 22 August 2026 with 10 km, 10 mile, 20 mile and 32 mile Ultra options across canal, moorland and escarpment terrain. Marked routes, GPX files and multiple aid stations are provided.

Trail half marathon and 10k around Carsington Water on 22 August 2026, on marked and marshalled paths. The event includes an event village with food and finish-line goodies and a discounted event t-shirt with entry.

A Lake District fell race from Hartsop covering 19.5 km with 1370 m ascent. The route includes five checkpoints, steep descents, route choices and a marshalled cutoff; pre-entry and limited day entries are offered and minimum age is 18.

Test yourself on the Falstone Falcon, a classic Northumberland fell race: 5.8 km with around 300 m of climb over rugged moorland. No pre entry needed, just turn up for £2 and race under FRA permit.

A long fell race across the Ochil Hills from Glen Devon to Stirling University, visiting multiple summit controls. The route includes two marked sections, mandatory navigation kit, and pre entry or limited on the day entry.

Choose from five distances on a fast, flat canal towpath course near Leeds. Enjoy a supportive atmosphere with multiple aid stations and finish-line treats like a BBQ roll and a bespoke medal. It's a popular event with a social focus.

Final event in the Phoenix Running 2026 Summer Series at Chorlton Water Park. Timed laps on a 5.3 km out and back riverside course let participants cover distances from 5 km up to ultra and all finishers receive a bespoke medal.

Celebrate 10 years of the Dunoon Ultra Marathon in the Scottish Highlands. Choose between a challenging solo ultra or a team relay on stunning, fully-marked trail routes. All finishers receive a medal, race bag, and post race refreshments.

Run the Borders is a 109 km loop on the Borders Abbey Way passing four ruined abbeys and historic towns. Options include a 50K, the full 109 km and a four person relay on mixed tarmac, trails and riverbanks.

Part of the Glenurquhart Highland Games, this 3.5-mile hill race offers a short, sharp challenge. With 700 feet of ascent, much of the course is visible from the games field for spectators.

The Saturn Running - Cwmdare will take place in Cwmdare on Saturday 22 August 2026. You can run between 5 and 7 hours.

Gecko Gathering at Scorrier House in Redruth on 23 August 2026 offers trail races from 2.5 km to a half marathon plus a five hour Scorriergeddon endurance challenge, with a race village, music, food stalls, medals and awards.

A point to point mixed terrain run from Mayflower Park, Southampton, following The Old Way with a short river boat crossing, historic landmarks, sticker-collecting race bibs and options for coach transport and alternative eco medals.

A scenic 21km trail race taking place around Derwentwater and the Borrowdale fells. The well-marked, hilly course starts at Lingholm and finishes in Keswick, with a medal for every finisher. It is open to runners aged 17 and over.

A mountain trail marathon from Keswick that climbs Scafell Pike over a 44 km route with 1800 m of ascent. The mountain section is unmarked so navigation skills, mandatory kit and a printed map are required.

A trail event in Afan Forest Park offering two measured routes of about 6.5 miles and 10.5 miles with substantial climb and prize categories. A separate one mile Mini Beast for children includes a finisher medal and sweets.

A 5 mile trail race on 23 August 2026 at Leigh Sports Village organised by Leigh Harriers AC. The event is licenced by TRA and follows UK Athletics Rules, with separate entry fees for affiliated and unaffiliated runners.

A 13.1 miles park half marathon in Richmond Park following the Tamsin Trail and park roads, with refreshment points, varied scenery and a single lap route returning to Sheen Gate.

Trail races over half marathon and marathon distances take place entirely inside Richmond Park, starting and finishing at Sheen Gate. The course passes gates, lakes and wooded sections and includes several drink and feed stations.

Take on the Trunce 8, a classic Peak District fell race starting and finishing at Oxspring Playing Field. The 6.2 km route climbs 190 m and entry is on the day for £3, with a junior 3 km race for over 10s at £1.